Understanding the Authenticated Received Chain (ARC).

Understanding the SPF, DKIM and DMARC

[Powershell script]-Get Message sent statistics from a mailbox in office 365

Configure the expiration policy for Office 365 groups

[Powershell script Graph Api] Fetch sign-in logs of legacy applications which are using basic authentication to connect to Exchange online in office 365.

[Powershell Script] - Office 365 MFA method report

Install ADFS on Azure VM step by step

Get the free third party SSL certificate and convert to pfx

Publish OWA using Azure Application Proxy